Which statement best describes what occurs during a chemical reaction?
During a chemical reaction both the identity and the properties of a substance change. Chemical reaction between two substances occurs to form a new substance which is completely different. Therefore, it has different appearance and physical state as well as the chemical properties.
Which statement best describes a chemical change?
The correct answer is A chemical change results in a new substance being formed; whereas, a physical change will result in a different state of matter. The chemical change is the change, which result in the formation of the new chemical from the reaction between different chemical(s).
Which statement best describes the difference between a physical change and chemical change?
Thus, we can conclude that the statement a physical change is a change from one state of matter to another; a chemical change results in a new substance formed, is correct.
What are the signs of a chemical change?
There are five signs of a chemical change:
- Color Change.
- Production of an odor.
- Change of Temperature.
- Evolution of a gas (formation of bubbles)
- Precipitate (formation of a solid)
Can you eat bananas that are black in the middle?
Bananas that have blackened in the middle, for the most part, are not safe to eat. Bananas with this condition might be a beautiful and normal yellow color on the outside but are black on the inside.
Which fruit molds the fastest?
banana
Is it OK to eat an overripe banana?
Believe it or not, overripe bananas are perfectly safe to eat. They actually boast higher vitamin C and antioxidant levels, according to a 2014 study published in the International Food Research Journal (Volume 21). Their peel may change its color or develop brown spots, but the flesh is still edible.
Why are overripe bananas bad for you?
When a banana becomes too ripe, its peel turns a few shades darker. The dark spots on the peel create Tumor Necrosis Factor (TNF), a substance that can kill cancerous and abnormal cells, mentions healthy-holistic-living.com, in one of its articles. According to sun-gazing.com, an overripe banana works as an antacid.
What is the healthiest stage of a banana?
A fully brown banana is full of antioxidants “This breakdown of chlorophyll is the reason why antioxidant levels increase as bananas age,” the article says. “So a fully brown banana is an antioxidant powerhouse.”